Reliable, Durable Breathing for Everyday Diving
The MK2 EVO / R105 is a simple, dependable regulator system built for consistency and durability. It’s commonly used in dive schools, rental fleets, and by divers who want a straightforward, no-fuss setup that just works.
Designed with a downstream piston first stage and classic downstream second stage, this system delivers smooth airflow while being easy to maintain and extremely reliable across a wide range of conditions.
Why We Like It
Proven, No-Nonsense Reliability
A long-standing design trusted by dive schools and rental fleets because it holds up over time.
Smooth, Consistent Breathing
Oversized piston design improves airflow for stable, dependable performance.
Cold Water Capable
The XTIS thermal system helps reduce freezing risk in colder conditions.
Simple & Easy to Maintain
Fewer moving parts make servicing straightforward and cost-effective.
Versatile Setup Options
Reversible hose routing makes it adaptable for different configurations (including sidemount or stage use).
Key Features
- MK2 EVO downstream piston first stage
- R105 classic downstream second stage
- XTIS (Extended Thermal Insulating System) for cold water performance
- Chrome-plated brass first stage
- Reversible hose configuration
- Dive / Pre-Dive (VIVA) switch
- Soft purge button for easy clearing
- Hi-flow mouthpiece for comfort
Ideal For
- New divers building their first setup
- Rental and school use
- Backup / stage / pony regulators
- Divers who prefer simple, durable gear
- Cold and temperate water diving
Specs
1st Stage Type: Piston
2nd Stage Design: Unbalanced
Ports:
- 1 HP port
- 4 LP ports
Materials:
- 1st Stage: Chrome-plated brass
- 2nd Stage: Reinforced technopolymer + metal components
Weight: 1.786 lb
Nitrox Compatible: Up to 40%
Water Temps: Warm, temperate, cold
Blue Holic Tip 🌊
This is a great option if you want a reliable primary regulator or a solid backup system. It’s not about extra features, it’s about having something that performs consistently every time you dive.